Finding the Fourth Proportional to 5,269,435.48, 7,271,821.74 and 2,854,987.48
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Solution
The fourth proportional to 5,269,435.48, 7,271,821.74 and 2,854,987.48 is: 3,939,883.14
Step by Step Solution
- Step 1: Write the proportion equation
5,269,435.48 : 7,271,821.74 = 2,854,987.48 : x - Step 2: Convert to fraction form
5,269,435.48/7,271,821.74 = 2,854,987.48/x - Step 3: Cross multiply
5,269,435.48x = 7,271,821.74 × 2,854,987.48 - Step 4: Simplify right side
5,269,435.48x = 20,760,960,024,491.82 - Step 5: Solve for x
x = 20,760,960,024,491.82/5,269,435.48 - Step 6: Final answer
x = 3,939,883.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.